Double collar zero loss pipe union



FIG. 1 is a perspective view of double collar zero loss pipe unionshowing my new design.

FIG. 2 is a top plan view thereof.

FIG. 3 is a bottom plan view thereof.

FIG. 4 is a right side elevation view thereof.

FIG. 5 is a left side elevation view thereof.

FIG. 6 is a front elevation view thereof; and,

FIG. 7 is a rear elevation view thereof.

CLAIM The ornamental design for a double collar zero loss pipe union, asshown and described.